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Position sensorless control strategy of PMSM compressor based on pulsating high frequency signal injection
Author(s): 
Pages: 30-31
Year: Issue:  5
Journal: Household Appliance Technology

Keyword:  永磁同步压缩机无位置传感器脉振高频注入;
Abstract: 为了提高永磁同步压缩机无位置传感器控制的低速性能,提出采用脉振高频注入法估算低速下的转速与位置,论文讨论了实现脉振高频注入法的关键技术,并在单转子压缩机上进行了实验,结果表明,脉振高频注入法能应用在变频空调低速场合,对不同参数的电机适应性好.
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